Home / 109,813.91-151,430.05-93,950.87

Finding the Fourth Proportional to 109,813.91, 151,430.05 and 93,950.87

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Solution

The fourth proportional to 109,813.91, 151,430.05 and 93,950.87 is: 129,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,813.91 : 151,430.05 = 93,950.87 : x
  2. Step 2: Convert to fraction form
    109,813.91/151,430.05 = 93,950.87/x
  3. Step 3: Cross multiply
    109,813.91x = 151,430.05 × 93,950.87
  4. Step 4: Simplify right side
    109,813.91x = 14,226,984,941.64
  5. Step 5: Solve for x
    x = 14,226,984,941.64/109,813.91
  6. Step 6: Final answer
    x = 129,555.40

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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.