Home / 147,056.30-202,981.16-86,646.46

Finding the Fourth Proportional to 147,056.30, 202,981.16 and 86,646.46

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Solution

The fourth proportional to 147,056.30, 202,981.16 and 86,646.46 is: 119,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,056.30 : 202,981.16 = 86,646.46 : x
  2. Step 2: Convert to fraction form
    147,056.30/202,981.16 = 86,646.46/x
  3. Step 3: Cross multiply
    147,056.30x = 202,981.16 × 86,646.46
  4. Step 4: Simplify right side
    147,056.30x = 17,587,598,960.69
  5. Step 5: Solve for x
    x = 17,587,598,960.69/147,056.30
  6. Step 6: Final answer
    x = 119,597.73

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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.