Home / 118,012.95-162,858.60-70,268.31

Finding the Fourth Proportional to 118,012.95, 162,858.60 and 70,268.31

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Solution

The fourth proportional to 118,012.95, 162,858.60 and 70,268.31 is: 96,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,012.95 : 162,858.60 = 70,268.31 : x
  2. Step 2: Convert to fraction form
    118,012.95/162,858.60 = 70,268.31/x
  3. Step 3: Cross multiply
    118,012.95x = 162,858.60 × 70,268.31
  4. Step 4: Simplify right side
    118,012.95x = 11,443,798,590.97
  5. Step 5: Solve for x
    x = 11,443,798,590.97/118,012.95
  6. Step 6: Final answer
    x = 96,970.70

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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.