Home / 118,444.78-163,433.19-70,695.28

Finding the Fourth Proportional to 118,444.78, 163,433.19 and 70,695.28

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Solution

The fourth proportional to 118,444.78, 163,433.19 and 70,695.28 is: 97,547.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,444.78 : 163,433.19 = 70,695.28 : x
  2. Step 2: Convert to fraction form
    118,444.78/163,433.19 = 70,695.28/x
  3. Step 3: Cross multiply
    118,444.78x = 163,433.19 × 70,695.28
  4. Step 4: Simplify right side
    118,444.78x = 11,553,955,128.34
  5. Step 5: Solve for x
    x = 11,553,955,128.34/118,444.78
  6. Step 6: Final answer
    x = 97,547.19

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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.