Home / 176,423.81-243,411.23-99,930.75

Finding the Fourth Proportional to 176,423.81, 243,411.23 and 99,930.75

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Solution

The fourth proportional to 176,423.81, 243,411.23 and 99,930.75 is: 137,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,423.81 : 243,411.23 = 99,930.75 : x
  2. Step 2: Convert to fraction form
    176,423.81/243,411.23 = 99,930.75/x
  3. Step 3: Cross multiply
    176,423.81x = 243,411.23 × 99,930.75
  4. Step 4: Simplify right side
    176,423.81x = 24,324,265,547.25
  5. Step 5: Solve for x
    x = 24,324,265,547.25/176,423.81
  6. Step 6: Final answer
    x = 137,874.06

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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.