Home / 157,590.90-217,466.28-89,598.06

Finding the Fourth Proportional to 157,590.90, 217,466.28 and 89,598.06

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Solution

The fourth proportional to 157,590.90, 217,466.28 and 89,598.06 is: 123,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,590.90 : 217,466.28 = 89,598.06 : x
  2. Step 2: Convert to fraction form
    157,590.90/217,466.28 = 89,598.06/x
  3. Step 3: Cross multiply
    157,590.90x = 217,466.28 × 89,598.06
  4. Step 4: Simplify right side
    157,590.90x = 19,484,556,803.42
  5. Step 5: Solve for x
    x = 19,484,556,803.42/157,590.90
  6. Step 6: Final answer
    x = 123,640.11

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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.