Home / 147,875.32-204,068.46-80,808.76

Finding the Fourth Proportional to 147,875.32, 204,068.46 and 80,808.76

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Solution

The fourth proportional to 147,875.32, 204,068.46 and 80,808.76 is: 111,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,875.32 : 204,068.46 = 80,808.76 : x
  2. Step 2: Convert to fraction form
    147,875.32/204,068.46 = 80,808.76/x
  3. Step 3: Cross multiply
    147,875.32x = 204,068.46 × 80,808.76
  4. Step 4: Simplify right side
    147,875.32x = 16,490,519,207.71
  5. Step 5: Solve for x
    x = 16,490,519,207.71/147,875.32
  6. Step 6: Final answer
    x = 111,516.37

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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.