Home / 118,641.05-163,699.33-70,258.19

Finding the Fourth Proportional to 118,641.05, 163,699.33 and 70,258.19

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Solution

The fourth proportional to 118,641.05, 163,699.33 and 70,258.19 is: 96,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,641.05 : 163,699.33 = 70,258.19 : x
  2. Step 2: Convert to fraction form
    118,641.05/163,699.33 = 70,258.19/x
  3. Step 3: Cross multiply
    118,641.05x = 163,699.33 × 70,258.19
  4. Step 4: Simplify right side
    118,641.05x = 11,501,218,630.01
  5. Step 5: Solve for x
    x = 11,501,218,630.01/118,641.05
  6. Step 6: Final answer
    x = 96,941.31

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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.