Home / 111,279.51-153,572.40-68,263.85

Finding the Fourth Proportional to 111,279.51, 153,572.40 and 68,263.85

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Solution

The fourth proportional to 111,279.51, 153,572.40 and 68,263.85 is: 94,208.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,279.51 : 153,572.40 = 68,263.85 : x
  2. Step 2: Convert to fraction form
    111,279.51/153,572.40 = 68,263.85/x
  3. Step 3: Cross multiply
    111,279.51x = 153,572.40 × 68,263.85
  4. Step 4: Simplify right side
    111,279.51x = 10,483,442,509.88
  5. Step 5: Solve for x
    x = 10,483,442,509.88/111,279.51
  6. Step 6: Final answer
    x = 94,208.20

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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.