Home / 145,826.89-218,707.47-52,332.64

Finding the Fourth Proportional to 145,826.89, 218,707.47 and 52,332.64

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Solution

The fourth proportional to 145,826.89, 218,707.47 and 52,332.64 is: 78,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,826.89 : 218,707.47 = 52,332.64 : x
  2. Step 2: Convert to fraction form
    145,826.89/218,707.47 = 52,332.64/x
  3. Step 3: Cross multiply
    145,826.89x = 218,707.47 × 52,332.64
  4. Step 4: Simplify right side
    145,826.89x = 11,445,539,292.82
  5. Step 5: Solve for x
    x = 11,445,539,292.82/145,826.89
  6. Step 6: Final answer
    x = 78,487.17

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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.