Home / 157,228.24-216,802.56-136,903.72

Finding the Fourth Proportional to 157,228.24, 216,802.56 and 136,903.72

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Solution

The fourth proportional to 157,228.24, 216,802.56 and 136,903.72 is: 188,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,228.24 : 216,802.56 = 136,903.72 : x
  2. Step 2: Convert to fraction form
    157,228.24/216,802.56 = 136,903.72/x
  3. Step 3: Cross multiply
    157,228.24x = 216,802.56 × 136,903.72
  4. Step 4: Simplify right side
    157,228.24x = 29,681,076,969.52
  5. Step 5: Solve for x
    x = 29,681,076,969.52/157,228.24
  6. Step 6: Final answer
    x = 188,777.01

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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.