Home / 144,539.12-216,827.76-64,577.72

Finding the Fourth Proportional to 144,539.12, 216,827.76 and 64,577.72

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Solution

The fourth proportional to 144,539.12, 216,827.76 and 64,577.72 is: 96,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,539.12 : 216,827.76 = 64,577.72 : x
  2. Step 2: Convert to fraction form
    144,539.12/216,827.76 = 64,577.72/x
  3. Step 3: Cross multiply
    144,539.12x = 216,827.76 × 64,577.72
  4. Step 4: Simplify right side
    144,539.12x = 14,002,242,373.51
  5. Step 5: Solve for x
    x = 14,002,242,373.51/144,539.12
  6. Step 6: Final answer
    x = 96,875.10

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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.