Home / 153,278.70-211,543.02-92,847.57

Finding the Fourth Proportional to 153,278.70, 211,543.02 and 92,847.57

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Solution

The fourth proportional to 153,278.70, 211,543.02 and 92,847.57 is: 128,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,278.70 : 211,543.02 = 92,847.57 : x
  2. Step 2: Convert to fraction form
    153,278.70/211,543.02 = 92,847.57/x
  3. Step 3: Cross multiply
    153,278.70x = 211,543.02 × 92,847.57
  4. Step 4: Simplify right side
    153,278.70x = 19,641,255,357.46
  5. Step 5: Solve for x
    x = 19,641,255,357.46/153,278.70
  6. Step 6: Final answer
    x = 128,140.80

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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.