Home / 495,054.72-742,611.76-140,095.68

Finding the Fourth Proportional to 495,054.72, 742,611.76 and 140,095.68

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Solution

The fourth proportional to 495,054.72, 742,611.76 and 140,095.68 is: 210,151.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,054.72 : 742,611.76 = 140,095.68 : x
  2. Step 2: Convert to fraction form
    495,054.72/742,611.76 = 140,095.68/x
  3. Step 3: Cross multiply
    495,054.72x = 742,611.76 × 140,095.68
  4. Step 4: Simplify right side
    495,054.72x = 104,036,699,493.20
  5. Step 5: Solve for x
    x = 104,036,699,493.20/495,054.72
  6. Step 6: Final answer
    x = 210,151.92

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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.