Home / 118,416.06-163,412.24-64,699.92

Finding the Fourth Proportional to 118,416.06, 163,412.24 and 64,699.92

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Solution

The fourth proportional to 118,416.06, 163,412.24 and 64,699.92 is: 89,284.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,416.06 : 163,412.24 = 64,699.92 : x
  2. Step 2: Convert to fraction form
    118,416.06/163,412.24 = 64,699.92/x
  3. Step 3: Cross multiply
    118,416.06x = 163,412.24 × 64,699.92
  4. Step 4: Simplify right side
    118,416.06x = 10,572,758,855.02
  5. Step 5: Solve for x
    x = 10,572,758,855.02/118,416.06
  6. Step 6: Final answer
    x = 89,284.84

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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.