Home / 127,844.02-176,416.75-70,480.36

Finding the Fourth Proportional to 127,844.02, 176,416.75 and 70,480.36

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Solution

The fourth proportional to 127,844.02, 176,416.75 and 70,480.36 is: 97,258.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,844.02 : 176,416.75 = 70,480.36 : x
  2. Step 2: Convert to fraction form
    127,844.02/176,416.75 = 70,480.36/x
  3. Step 3: Cross multiply
    127,844.02x = 176,416.75 × 70,480.36
  4. Step 4: Simplify right side
    127,844.02x = 12,433,916,050.03
  5. Step 5: Solve for x
    x = 12,433,916,050.03/127,844.02
  6. Step 6: Final answer
    x = 97,258.49

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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.