Home / 157,715.59-235,366.43-140,886.62

Finding the Fourth Proportional to 157,715.59, 235,366.43 and 140,886.62

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Solution

The fourth proportional to 157,715.59, 235,366.43 and 140,886.62 is: 210,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,715.59 : 235,366.43 = 140,886.62 : x
  2. Step 2: Convert to fraction form
    157,715.59/235,366.43 = 140,886.62/x
  3. Step 3: Cross multiply
    157,715.59x = 235,366.43 × 140,886.62
  4. Step 4: Simplify right side
    157,715.59x = 33,159,980,784.17
  5. Step 5: Solve for x
    x = 33,159,980,784.17/157,715.59
  6. Step 6: Final answer
    x = 210,251.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.