Home / 152,980.40-211,117.65-92,562.14

Finding the Fourth Proportional to 152,980.40, 211,117.65 and 92,562.14

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Solution

The fourth proportional to 152,980.40, 211,117.65 and 92,562.14 is: 127,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,980.40 : 211,117.65 = 92,562.14 : x
  2. Step 2: Convert to fraction form
    152,980.40/211,117.65 = 92,562.14/x
  3. Step 3: Cross multiply
    152,980.40x = 211,117.65 × 92,562.14
  4. Step 4: Simplify right side
    152,980.40x = 19,541,501,475.77
  5. Step 5: Solve for x
    x = 19,541,501,475.77/152,980.40
  6. Step 6: Final answer
    x = 127,738.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.