Home / 113,345.52-170,085.11-42,319.05

Finding the Fourth Proportional to 113,345.52, 170,085.11 and 42,319.05

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Solution

The fourth proportional to 113,345.52, 170,085.11 and 42,319.05 is: 63,503.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,345.52 : 170,085.11 = 42,319.05 : x
  2. Step 2: Convert to fraction form
    113,345.52/170,085.11 = 42,319.05/x
  3. Step 3: Cross multiply
    113,345.52x = 170,085.11 × 42,319.05
  4. Step 4: Simplify right side
    113,345.52x = 7,197,840,062.75
  5. Step 5: Solve for x
    x = 7,197,840,062.75/113,345.52
  6. Step 6: Final answer
    x = 63,503.52

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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.