Home / 127,136.08-175,455.98-70,547.45

Finding the Fourth Proportional to 127,136.08, 175,455.98 and 70,547.45

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Solution

The fourth proportional to 127,136.08, 175,455.98 and 70,547.45 is: 97,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,136.08 : 175,455.98 = 70,547.45 : x
  2. Step 2: Convert to fraction form
    127,136.08/175,455.98 = 70,547.45/x
  3. Step 3: Cross multiply
    127,136.08x = 175,455.98 × 70,547.45
  4. Step 4: Simplify right side
    127,136.08x = 12,377,972,394.56
  5. Step 5: Solve for x
    x = 12,377,972,394.56/127,136.08
  6. Step 6: Final answer
    x = 97,360.03

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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.