Home / 104,490.72-144,241.34-70,545.19

Finding the Fourth Proportional to 104,490.72, 144,241.34 and 70,545.19

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Solution

The fourth proportional to 104,490.72, 144,241.34 and 70,545.19 is: 97,382.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,490.72 : 144,241.34 = 70,545.19 : x
  2. Step 2: Convert to fraction form
    104,490.72/144,241.34 = 70,545.19/x
  3. Step 3: Cross multiply
    104,490.72x = 144,241.34 × 70,545.19
  4. Step 4: Simplify right side
    104,490.72x = 10,175,532,557.82
  5. Step 5: Solve for x
    x = 10,175,532,557.82/104,490.72
  6. Step 6: Final answer
    x = 97,382.17

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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.