Home / 118,520.19-163,544.47-70,123.60

Finding the Fourth Proportional to 118,520.19, 163,544.47 and 70,123.60

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Solution

The fourth proportional to 118,520.19, 163,544.47 and 70,123.60 is: 96,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,520.19 : 163,544.47 = 70,123.60 : x
  2. Step 2: Convert to fraction form
    118,520.19/163,544.47 = 70,123.60/x
  3. Step 3: Cross multiply
    118,520.19x = 163,544.47 × 70,123.60
  4. Step 4: Simplify right side
    118,520.19x = 11,468,326,565.64
  5. Step 5: Solve for x
    x = 11,468,326,565.64/118,520.19
  6. Step 6: Final answer
    x = 96,762.64

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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.