Home / 179,343.53-247,486.10-102,807.76

Finding the Fourth Proportional to 179,343.53, 247,486.10 and 102,807.76

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Solution

The fourth proportional to 179,343.53, 247,486.10 and 102,807.76 is: 141,870.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,343.53 : 247,486.10 = 102,807.76 : x
  2. Step 2: Convert to fraction form
    179,343.53/247,486.10 = 102,807.76/x
  3. Step 3: Cross multiply
    179,343.53x = 247,486.10 × 102,807.76
  4. Step 4: Simplify right side
    179,343.53x = 25,443,490,439.38
  5. Step 5: Solve for x
    x = 25,443,490,439.38/179,343.53
  6. Step 6: Final answer
    x = 141,870.13

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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.