Home / 113,833.12-157,089.68-66,095.52

Finding the Fourth Proportional to 113,833.12, 157,089.68 and 66,095.52

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Solution

The fourth proportional to 113,833.12, 157,089.68 and 66,095.52 is: 91,211.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,833.12 : 157,089.68 = 66,095.52 : x
  2. Step 2: Convert to fraction form
    113,833.12/157,089.68 = 66,095.52/x
  3. Step 3: Cross multiply
    113,833.12x = 157,089.68 × 66,095.52
  4. Step 4: Simplify right side
    113,833.12x = 10,382,924,086.23
  5. Step 5: Solve for x
    x = 10,382,924,086.23/113,833.12
  6. Step 6: Final answer
    x = 91,211.80

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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.