Home / 121,307.18-181,988.46-37,079.32

Finding the Fourth Proportional to 121,307.18, 181,988.46 and 37,079.32

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Solution

The fourth proportional to 121,307.18, 181,988.46 and 37,079.32 is: 55,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,307.18 : 181,988.46 = 37,079.32 : x
  2. Step 2: Convert to fraction form
    121,307.18/181,988.46 = 37,079.32/x
  3. Step 3: Cross multiply
    121,307.18x = 181,988.46 × 37,079.32
  4. Step 4: Simplify right side
    121,307.18x = 6,748,008,344.65
  5. Step 5: Solve for x
    x = 6,748,008,344.65/121,307.18
  6. Step 6: Final answer
    x = 55,627.44

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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.