Home / 114,423.13-157,847.80-99,294.55

Finding the Fourth Proportional to 114,423.13, 157,847.80 and 99,294.55

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Solution

The fourth proportional to 114,423.13, 157,847.80 and 99,294.55 is: 136,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,423.13 : 157,847.80 = 99,294.55 : x
  2. Step 2: Convert to fraction form
    114,423.13/157,847.80 = 99,294.55/x
  3. Step 3: Cross multiply
    114,423.13x = 157,847.80 × 99,294.55
  4. Step 4: Simplify right side
    114,423.13x = 15,673,426,269.49
  5. Step 5: Solve for x
    x = 15,673,426,269.49/114,423.13
  6. Step 6: Final answer
    x = 136,977.78

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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.