Home / 185,294.18-255,705.94-100,411.24

Finding the Fourth Proportional to 185,294.18, 255,705.94 and 100,411.24

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Solution

The fourth proportional to 185,294.18, 255,705.94 and 100,411.24 is: 138,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,294.18 : 255,705.94 = 100,411.24 : x
  2. Step 2: Convert to fraction form
    185,294.18/255,705.94 = 100,411.24/x
  3. Step 3: Cross multiply
    185,294.18x = 255,705.94 × 100,411.24
  4. Step 4: Simplify right side
    185,294.18x = 25,675,750,510.77
  5. Step 5: Solve for x
    x = 25,675,750,510.77/185,294.18
  6. Step 6: Final answer
    x = 138,567.50

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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.