Home / 111,416.41-153,753.95-60,430.35

Finding the Fourth Proportional to 111,416.41, 153,753.95 and 60,430.35

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Solution

The fourth proportional to 111,416.41, 153,753.95 and 60,430.35 is: 83,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,416.41 : 153,753.95 = 60,430.35 : x
  2. Step 2: Convert to fraction form
    111,416.41/153,753.95 = 60,430.35/x
  3. Step 3: Cross multiply
    111,416.41x = 153,753.95 × 60,430.35
  4. Step 4: Simplify right side
    111,416.41x = 9,291,405,400.11
  5. Step 5: Solve for x
    x = 9,291,405,400.11/111,416.41
  6. Step 6: Final answer
    x = 83,393.51

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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.