Home / 121,307.06-167,401.50-67,590.92

Finding the Fourth Proportional to 121,307.06, 167,401.50 and 67,590.92

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Solution

The fourth proportional to 121,307.06, 167,401.50 and 67,590.92 is: 93,274.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,307.06 : 167,401.50 = 67,590.92 : x
  2. Step 2: Convert to fraction form
    121,307.06/167,401.50 = 67,590.92/x
  3. Step 3: Cross multiply
    121,307.06x = 167,401.50 × 67,590.92
  4. Step 4: Simplify right side
    121,307.06x = 11,314,820,557.37
  5. Step 5: Solve for x
    x = 11,314,820,557.37/121,307.06
  6. Step 6: Final answer
    x = 93,274.22

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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.