Home / 157,923.32-217,927.98-86,304.20

Finding the Fourth Proportional to 157,923.32, 217,927.98 and 86,304.20

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Solution

The fourth proportional to 157,923.32, 217,927.98 and 86,304.20 is: 119,096.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,923.32 : 217,927.98 = 86,304.20 : x
  2. Step 2: Convert to fraction form
    157,923.32/217,927.98 = 86,304.20/x
  3. Step 3: Cross multiply
    157,923.32x = 217,927.98 × 86,304.20
  4. Step 4: Simplify right side
    157,923.32x = 18,808,099,971.52
  5. Step 5: Solve for x
    x = 18,808,099,971.52/157,923.32
  6. Step 6: Final answer
    x = 119,096.41

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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.