Home / 127,112.76-175,411.44-70,528.32

Finding the Fourth Proportional to 127,112.76, 175,411.44 and 70,528.32

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Solution

The fourth proportional to 127,112.76, 175,411.44 and 70,528.32 is: 97,326.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,112.76 : 175,411.44 = 70,528.32 : x
  2. Step 2: Convert to fraction form
    127,112.76/175,411.44 = 70,528.32/x
  3. Step 3: Cross multiply
    127,112.76x = 175,411.44 × 70,528.32
  4. Step 4: Simplify right side
    127,112.76x = 12,371,474,171.98
  5. Step 5: Solve for x
    x = 12,371,474,171.98/127,112.76
  6. Step 6: Final answer
    x = 97,326.77

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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.