Home / 456,581.80-684,966.12-157,023.40

Finding the Fourth Proportional to 456,581.80, 684,966.12 and 157,023.40

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Solution

The fourth proportional to 456,581.80, 684,966.12 and 157,023.40 is: 235,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,581.80 : 684,966.12 = 157,023.40 : x
  2. Step 2: Convert to fraction form
    456,581.80/684,966.12 = 157,023.40/x
  3. Step 3: Cross multiply
    456,581.80x = 684,966.12 × 157,023.40
  4. Step 4: Simplify right side
    456,581.80x = 107,555,709,047.21
  5. Step 5: Solve for x
    x = 107,555,709,047.21/456,581.80
  6. Step 6: Final answer
    x = 235,567.23

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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.