Home / 121,312.60-167,423.70-67,606.36

Finding the Fourth Proportional to 121,312.60, 167,423.70 and 67,606.36

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Solution

The fourth proportional to 121,312.60, 167,423.70 and 67,606.36 is: 93,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,312.60 : 167,423.70 = 67,606.36 : x
  2. Step 2: Convert to fraction form
    121,312.60/167,423.70 = 67,606.36/x
  3. Step 3: Cross multiply
    121,312.60x = 167,423.70 × 67,606.36
  4. Step 4: Simplify right side
    121,312.60x = 11,318,906,934.73
  5. Step 5: Solve for x
    x = 11,318,906,934.73/121,312.60
  6. Step 6: Final answer
    x = 93,303.64

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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.