Home / 145,761.10-218,548.04-61,498.22

Finding the Fourth Proportional to 145,761.10, 218,548.04 and 61,498.22

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Solution

The fourth proportional to 145,761.10, 218,548.04 and 61,498.22 is: 92,207.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,761.10 : 218,548.04 = 61,498.22 : x
  2. Step 2: Convert to fraction form
    145,761.10/218,548.04 = 61,498.22/x
  3. Step 3: Cross multiply
    145,761.10x = 218,548.04 × 61,498.22
  4. Step 4: Simplify right side
    145,761.10x = 13,440,315,444.49
  5. Step 5: Solve for x
    x = 13,440,315,444.49/145,761.10
  6. Step 6: Final answer
    x = 92,207.83

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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.