Home / 157,870.41-236,802.21-51,254.16

Finding the Fourth Proportional to 157,870.41, 236,802.21 and 51,254.16

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Solution

The fourth proportional to 157,870.41, 236,802.21 and 51,254.16 is: 76,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,870.41 : 236,802.21 = 51,254.16 : x
  2. Step 2: Convert to fraction form
    157,870.41/236,802.21 = 51,254.16/x
  3. Step 3: Cross multiply
    157,870.41x = 236,802.21 × 51,254.16
  4. Step 4: Simplify right side
    157,870.41x = 12,137,098,359.69
  5. Step 5: Solve for x
    x = 12,137,098,359.69/157,870.41
  6. Step 6: Final answer
    x = 76,880.13

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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.