Home / 210,127.18-289,970.64-114,637.24

Finding the Fourth Proportional to 210,127.18, 289,970.64 and 114,637.24

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Solution

The fourth proportional to 210,127.18, 289,970.64 and 114,637.24 is: 158,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,127.18 : 289,970.64 = 114,637.24 : x
  2. Step 2: Convert to fraction form
    210,127.18/289,970.64 = 114,637.24/x
  3. Step 3: Cross multiply
    210,127.18x = 289,970.64 × 114,637.24
  4. Step 4: Simplify right side
    210,127.18x = 33,241,433,850.63
  5. Step 5: Solve for x
    x = 33,241,433,850.63/210,127.18
  6. Step 6: Final answer
    x = 158,196.74

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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.