Home / 147,430.60-203,444.10-82,901.32

Finding the Fourth Proportional to 147,430.60, 203,444.10 and 82,901.32

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Solution

The fourth proportional to 147,430.60, 203,444.10 and 82,901.32 is: 114,398.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,430.60 : 203,444.10 = 82,901.32 : x
  2. Step 2: Convert to fraction form
    147,430.60/203,444.10 = 82,901.32/x
  3. Step 3: Cross multiply
    147,430.60x = 203,444.10 × 82,901.32
  4. Step 4: Simplify right side
    147,430.60x = 16,865,784,436.21
  5. Step 5: Solve for x
    x = 16,865,784,436.21/147,430.60
  6. Step 6: Final answer
    x = 114,398.13

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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.