Home / 251,947.80-377,411.40-156,886.20

Finding the Fourth Proportional to 251,947.80, 377,411.40 and 156,886.20

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Solution

The fourth proportional to 251,947.80, 377,411.40 and 156,886.20 is: 235,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,947.80 : 377,411.40 = 156,886.20 : x
  2. Step 2: Convert to fraction form
    251,947.80/377,411.40 = 156,886.20/x
  3. Step 3: Cross multiply
    251,947.80x = 377,411.40 × 156,886.20
  4. Step 4: Simplify right side
    251,947.80x = 59,210,640,382.68
  5. Step 5: Solve for x
    x = 59,210,640,382.68/251,947.80
  6. Step 6: Final answer
    x = 235,011.54

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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.