Home / 109,811.16-151,426.26-93,948.12

Finding the Fourth Proportional to 109,811.16, 151,426.26 and 93,948.12

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Solution

The fourth proportional to 109,811.16, 151,426.26 and 93,948.12 is: 129,551.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,811.16 : 151,426.26 = 93,948.12 : x
  2. Step 2: Convert to fraction form
    109,811.16/151,426.26 = 93,948.12/x
  3. Step 3: Cross multiply
    109,811.16x = 151,426.26 × 93,948.12
  4. Step 4: Simplify right side
    109,811.16x = 14,226,212,445.63
  5. Step 5: Solve for x
    x = 14,226,212,445.63/109,811.16
  6. Step 6: Final answer
    x = 129,551.61

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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.