Home / 140,085.48-193,314.14-76,423.26

Finding the Fourth Proportional to 140,085.48, 193,314.14 and 76,423.26

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Solution

The fourth proportional to 140,085.48, 193,314.14 and 76,423.26 is: 105,462.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,085.48 : 193,314.14 = 76,423.26 : x
  2. Step 2: Convert to fraction form
    140,085.48/193,314.14 = 76,423.26/x
  3. Step 3: Cross multiply
    140,085.48x = 193,314.14 × 76,423.26
  4. Step 4: Simplify right side
    140,085.48x = 14,773,696,782.90
  5. Step 5: Solve for x
    x = 14,773,696,782.90/140,085.48
  6. Step 6: Final answer
    x = 105,462.01

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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.