Home / 250,113.40-345,123.66-153,360.52

Finding the Fourth Proportional to 250,113.40, 345,123.66 and 153,360.52

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Solution

The fourth proportional to 250,113.40, 345,123.66 and 153,360.52 is: 211,617.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,113.40 : 345,123.66 = 153,360.52 : x
  2. Step 2: Convert to fraction form
    250,113.40/345,123.66 = 153,360.52/x
  3. Step 3: Cross multiply
    250,113.40x = 345,123.66 × 153,360.52
  4. Step 4: Simplify right side
    250,113.40x = 52,928,343,961.90
  5. Step 5: Solve for x
    x = 52,928,343,961.90/250,113.40
  6. Step 6: Final answer
    x = 211,617.39

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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.