Home / 140,192.95-193,463.74-79,762.29

Finding the Fourth Proportional to 140,192.95, 193,463.74 and 79,762.29

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Solution

The fourth proportional to 140,192.95, 193,463.74 and 79,762.29 is: 110,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,192.95 : 193,463.74 = 79,762.29 : x
  2. Step 2: Convert to fraction form
    140,192.95/193,463.74 = 79,762.29/x
  3. Step 3: Cross multiply
    140,192.95x = 193,463.74 × 79,762.29
  4. Step 4: Simplify right side
    140,192.95x = 15,431,110,934.36
  5. Step 5: Solve for x
    x = 15,431,110,934.36/140,192.95
  6. Step 6: Final answer
    x = 110,070.52

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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.