Home / 118,322.01-163,283.52-64,606.98

Finding the Fourth Proportional to 118,322.01, 163,283.52 and 64,606.98

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Solution

The fourth proportional to 118,322.01, 163,283.52 and 64,606.98 is: 89,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,322.01 : 163,283.52 = 64,606.98 : x
  2. Step 2: Convert to fraction form
    118,322.01/163,283.52 = 64,606.98/x
  3. Step 3: Cross multiply
    118,322.01x = 163,283.52 × 64,606.98
  4. Step 4: Simplify right side
    118,322.01x = 10,549,255,110.97
  5. Step 5: Solve for x
    x = 10,549,255,110.97/118,322.01
  6. Step 6: Final answer
    x = 89,157.17

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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.