Home / 185,854.17-256,478.08-100,970.49

Finding the Fourth Proportional to 185,854.17, 256,478.08 and 100,970.49

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Solution

The fourth proportional to 185,854.17, 256,478.08 and 100,970.49 is: 139,338.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,854.17 : 256,478.08 = 100,970.49 : x
  2. Step 2: Convert to fraction form
    185,854.17/256,478.08 = 100,970.49/x
  3. Step 3: Cross multiply
    185,854.17x = 256,478.08 × 100,970.49
  4. Step 4: Simplify right side
    185,854.17x = 25,896,717,411.86
  5. Step 5: Solve for x
    x = 25,896,717,411.86/185,854.17
  6. Step 6: Final answer
    x = 139,338.91

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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.