Home / 158,154.52-218,252.34-86,533.24

Finding the Fourth Proportional to 158,154.52, 218,252.34 and 86,533.24

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Solution

The fourth proportional to 158,154.52, 218,252.34 and 86,533.24 is: 119,415.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,154.52 : 218,252.34 = 86,533.24 : x
  2. Step 2: Convert to fraction form
    158,154.52/218,252.34 = 86,533.24/x
  3. Step 3: Cross multiply
    158,154.52x = 218,252.34 × 86,533.24
  4. Step 4: Simplify right side
    158,154.52x = 18,886,082,117.78
  5. Step 5: Solve for x
    x = 18,886,082,117.78/158,154.52
  6. Step 6: Final answer
    x = 119,415.38

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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.