Home / 157,214.25-216,959.51-85,598.17

Finding the Fourth Proportional to 157,214.25, 216,959.51 and 85,598.17

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Solution

The fourth proportional to 157,214.25, 216,959.51 and 85,598.17 is: 118,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,214.25 : 216,959.51 = 85,598.17 : x
  2. Step 2: Convert to fraction form
    157,214.25/216,959.51 = 85,598.17/x
  3. Step 3: Cross multiply
    157,214.25x = 216,959.51 × 85,598.17
  4. Step 4: Simplify right side
    157,214.25x = 18,571,336,691.69
  5. Step 5: Solve for x
    x = 18,571,336,691.69/157,214.25
  6. Step 6: Final answer
    x = 118,127.57

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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.