Home / 121,263.31-167,343.06-67,547.76

Finding the Fourth Proportional to 121,263.31, 167,343.06 and 67,547.76

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Solution

The fourth proportional to 121,263.31, 167,343.06 and 67,547.76 is: 93,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,263.31 : 167,343.06 = 67,547.76 : x
  2. Step 2: Convert to fraction form
    121,263.31/167,343.06 = 67,547.76/x
  3. Step 3: Cross multiply
    121,263.31x = 167,343.06 × 67,547.76
  4. Step 4: Simplify right side
    121,263.31x = 11,303,648,854.55
  5. Step 5: Solve for x
    x = 11,303,648,854.55/121,263.31
  6. Step 6: Final answer
    x = 93,215.74

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1.5x scale

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.