Home / 127,130.94-175,444.65-70,547.58

Finding the Fourth Proportional to 127,130.94, 175,444.65 and 70,547.58

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Solution

The fourth proportional to 127,130.94, 175,444.65 and 70,547.58 is: 97,357.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,130.94 : 175,444.65 = 70,547.58 : x
  2. Step 2: Convert to fraction form
    127,130.94/175,444.65 = 70,547.58/x
  3. Step 3: Cross multiply
    127,130.94x = 175,444.65 × 70,547.58
  4. Step 4: Simplify right side
    127,130.94x = 12,377,195,481.45
  5. Step 5: Solve for x
    x = 12,377,195,481.45/127,130.94
  6. Step 6: Final answer
    x = 97,357.85

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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.