Home / 176,172.57-243,114.78-99,690.29

Finding the Fourth Proportional to 176,172.57, 243,114.78 and 99,690.29

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Solution

The fourth proportional to 176,172.57, 243,114.78 and 99,690.29 is: 137,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,172.57 : 243,114.78 = 99,690.29 : x
  2. Step 2: Convert to fraction form
    176,172.57/243,114.78 = 99,690.29/x
  3. Step 3: Cross multiply
    176,172.57x = 243,114.78 × 99,690.29
  4. Step 4: Simplify right side
    176,172.57x = 24,236,181,705.91
  5. Step 5: Solve for x
    x = 24,236,181,705.91/176,172.57
  6. Step 6: Final answer
    x = 137,570.69

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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.