Home / 119,415.68-178,851.20-57,130.24

Finding the Fourth Proportional to 119,415.68, 178,851.20 and 57,130.24

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Solution

The fourth proportional to 119,415.68, 178,851.20 and 57,130.24 is: 85,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,415.68 : 178,851.20 = 57,130.24 : x
  2. Step 2: Convert to fraction form
    119,415.68/178,851.20 = 57,130.24/x
  3. Step 3: Cross multiply
    119,415.68x = 178,851.20 × 57,130.24
  4. Step 4: Simplify right side
    119,415.68x = 10,217,811,980.29
  5. Step 5: Solve for x
    x = 10,217,811,980.29/119,415.68
  6. Step 6: Final answer
    x = 85,565.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.