Home / 211,970.02-292,434.81-136,562.50

Finding the Fourth Proportional to 211,970.02, 292,434.81 and 136,562.50

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Solution

The fourth proportional to 211,970.02, 292,434.81 and 136,562.50 is: 188,402.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,970.02 : 292,434.81 = 136,562.50 : x
  2. Step 2: Convert to fraction form
    211,970.02/292,434.81 = 136,562.50/x
  3. Step 3: Cross multiply
    211,970.02x = 292,434.81 × 136,562.50
  4. Step 4: Simplify right side
    211,970.02x = 39,935,628,740.63
  5. Step 5: Solve for x
    x = 39,935,628,740.63/211,970.02
  6. Step 6: Final answer
    x = 188,402.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.