Home / 127,709.04-176,236.39-70,353.82

Finding the Fourth Proportional to 127,709.04, 176,236.39 and 70,353.82

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Solution

The fourth proportional to 127,709.04, 176,236.39 and 70,353.82 is: 97,087.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,709.04 : 176,236.39 = 70,353.82 : x
  2. Step 2: Convert to fraction form
    127,709.04/176,236.39 = 70,353.82/x
  3. Step 3: Cross multiply
    127,709.04x = 176,236.39 × 70,353.82
  4. Step 4: Simplify right side
    127,709.04x = 12,398,903,259.51
  5. Step 5: Solve for x
    x = 12,398,903,259.51/127,709.04
  6. Step 6: Final answer
    x = 97,087.12

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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.