Home / 107,369.48-148,186.04-77,254.49

Finding the Fourth Proportional to 107,369.48, 148,186.04 and 77,254.49

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Solution

The fourth proportional to 107,369.48, 148,186.04 and 77,254.49 is: 106,622.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,369.48 : 148,186.04 = 77,254.49 : x
  2. Step 2: Convert to fraction form
    107,369.48/148,186.04 = 77,254.49/x
  3. Step 3: Cross multiply
    107,369.48x = 148,186.04 × 77,254.49
  4. Step 4: Simplify right side
    107,369.48x = 11,448,035,818.12
  5. Step 5: Solve for x
    x = 11,448,035,818.12/107,369.48
  6. Step 6: Final answer
    x = 106,622.82

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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.