Home / 105,549.16-158,343.66-42,374.23

Finding the Fourth Proportional to 105,549.16, 158,343.66 and 42,374.23

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Solution

The fourth proportional to 105,549.16, 158,343.66 and 42,374.23 is: 63,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,549.16 : 158,343.66 = 42,374.23 : x
  2. Step 2: Convert to fraction form
    105,549.16/158,343.66 = 42,374.23/x
  3. Step 3: Cross multiply
    105,549.16x = 158,343.66 × 42,374.23
  4. Step 4: Simplify right side
    105,549.16x = 6,709,690,667.88
  5. Step 5: Solve for x
    x = 6,709,690,667.88/105,549.16
  6. Step 6: Final answer
    x = 63,569.34

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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.