Home / 131,531.65-197,275.60-47,274.74

Finding the Fourth Proportional to 131,531.65, 197,275.60 and 47,274.74

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Solution

The fourth proportional to 131,531.65, 197,275.60 and 47,274.74 is: 70,904.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,531.65 : 197,275.60 = 47,274.74 : x
  2. Step 2: Convert to fraction form
    131,531.65/197,275.60 = 47,274.74/x
  3. Step 3: Cross multiply
    131,531.65x = 197,275.60 × 47,274.74
  4. Step 4: Simplify right side
    131,531.65x = 9,326,152,510.84
  5. Step 5: Solve for x
    x = 9,326,152,510.84/131,531.65
  6. Step 6: Final answer
    x = 70,904.25

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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.