Home / 157,153.93-216,877.02-85,538.59

Finding the Fourth Proportional to 157,153.93, 216,877.02 and 85,538.59

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Solution

The fourth proportional to 157,153.93, 216,877.02 and 85,538.59 is: 118,045.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,153.93 : 216,877.02 = 85,538.59 : x
  2. Step 2: Convert to fraction form
    157,153.93/216,877.02 = 85,538.59/x
  3. Step 3: Cross multiply
    157,153.93x = 216,877.02 × 85,538.59
  4. Step 4: Simplify right side
    157,153.93x = 18,551,354,494.20
  5. Step 5: Solve for x
    x = 18,551,354,494.20/157,153.93
  6. Step 6: Final answer
    x = 118,045.76

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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.