Home / 166,303.48-249,755.89-153,639.61

Finding the Fourth Proportional to 166,303.48, 249,755.89 and 153,639.61

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Solution

The fourth proportional to 166,303.48, 249,755.89 and 153,639.61 is: 230,737.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,303.48 : 249,755.89 = 153,639.61 : x
  2. Step 2: Convert to fraction form
    166,303.48/249,755.89 = 153,639.61/x
  3. Step 3: Cross multiply
    166,303.48x = 249,755.89 × 153,639.61
  4. Step 4: Simplify right side
    166,303.48x = 38,372,397,534.80
  5. Step 5: Solve for x
    x = 38,372,397,534.80/166,303.48
  6. Step 6: Final answer
    x = 230,737.19

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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.