Home / 95,487.40-143,278.62-72,256.36

Finding the Fourth Proportional to 95,487.40, 143,278.62 and 72,256.36

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Solution

The fourth proportional to 95,487.40, 143,278.62 and 72,256.36 is: 108,420.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,487.40 : 143,278.62 = 72,256.36 : x
  2. Step 2: Convert to fraction form
    95,487.40/143,278.62 = 72,256.36/x
  3. Step 3: Cross multiply
    95,487.40x = 143,278.62 × 72,256.36
  4. Step 4: Simplify right side
    95,487.40x = 10,352,791,547.02
  5. Step 5: Solve for x
    x = 10,352,791,547.02/95,487.40
  6. Step 6: Final answer
    x = 108,420.50

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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.