Home / 118,547.10-163,654.48-91,628.77

Finding the Fourth Proportional to 118,547.10, 163,654.48 and 91,628.77

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Solution

The fourth proportional to 118,547.10, 163,654.48 and 91,628.77 is: 126,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,547.10 : 163,654.48 = 91,628.77 : x
  2. Step 2: Convert to fraction form
    118,547.10/163,654.48 = 91,628.77/x
  3. Step 3: Cross multiply
    118,547.10x = 163,654.48 × 91,628.77
  4. Step 4: Simplify right side
    118,547.10x = 14,995,458,707.39
  5. Step 5: Solve for x
    x = 14,995,458,707.39/118,547.10
  6. Step 6: Final answer
    x = 126,493.68

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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.