Home / 369,649.49-554,508.04-103,409.22

Finding the Fourth Proportional to 369,649.49, 554,508.04 and 103,409.22

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Solution

The fourth proportional to 369,649.49, 554,508.04 and 103,409.22 is: 155,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,649.49 : 554,508.04 = 103,409.22 : x
  2. Step 2: Convert to fraction form
    369,649.49/554,508.04 = 103,409.22/x
  3. Step 3: Cross multiply
    369,649.49x = 554,508.04 × 103,409.22
  4. Step 4: Simplify right side
    369,649.49x = 57,341,243,641.61
  5. Step 5: Solve for x
    x = 57,341,243,641.61/369,649.49
  6. Step 6: Final answer
    x = 155,123.29

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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.