Home / 145,818.15-218,727.21-35,010.15

Finding the Fourth Proportional to 145,818.15, 218,727.21 and 35,010.15

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Solution

The fourth proportional to 145,818.15, 218,727.21 and 35,010.15 is: 52,515.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,818.15 : 218,727.21 = 35,010.15 : x
  2. Step 2: Convert to fraction form
    145,818.15/218,727.21 = 35,010.15/x
  3. Step 3: Cross multiply
    145,818.15x = 218,727.21 × 35,010.15
  4. Step 4: Simplify right side
    145,818.15x = 7,657,672,431.18
  5. Step 5: Solve for x
    x = 7,657,672,431.18/145,818.15
  6. Step 6: Final answer
    x = 52,515.22

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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.