Home / 157,923.04-217,972.52-89,980.11

Finding the Fourth Proportional to 157,923.04, 217,972.52 and 89,980.11

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Solution

The fourth proportional to 157,923.04, 217,972.52 and 89,980.11 is: 124,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,923.04 : 217,972.52 = 89,980.11 : x
  2. Step 2: Convert to fraction form
    157,923.04/217,972.52 = 89,980.11/x
  3. Step 3: Cross multiply
    157,923.04x = 217,972.52 × 89,980.11
  4. Step 4: Simplify right side
    157,923.04x = 19,613,191,326.58
  5. Step 5: Solve for x
    x = 19,613,191,326.58/157,923.04
  6. Step 6: Final answer
    x = 124,194.62

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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.