Home / 145,594.74-218,393.33-40,421.91

Finding the Fourth Proportional to 145,594.74, 218,393.33 and 40,421.91

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Solution

The fourth proportional to 145,594.74, 218,393.33 and 40,421.91 is: 60,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,594.74 : 218,393.33 = 40,421.91 : x
  2. Step 2: Convert to fraction form
    145,594.74/218,393.33 = 40,421.91/x
  3. Step 3: Cross multiply
    145,594.74x = 218,393.33 × 40,421.91
  4. Step 4: Simplify right side
    145,594.74x = 8,827,875,529.86
  5. Step 5: Solve for x
    x = 8,827,875,529.86/145,594.74
  6. Step 6: Final answer
    x = 60,633.20

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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.