Home / 127,032.57-175,305.33-70,443.81

Finding the Fourth Proportional to 127,032.57, 175,305.33 and 70,443.81

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Solution

The fourth proportional to 127,032.57, 175,305.33 and 70,443.81 is: 97,212.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,032.57 : 175,305.33 = 70,443.81 : x
  2. Step 2: Convert to fraction form
    127,032.57/175,305.33 = 70,443.81/x
  3. Step 3: Cross multiply
    127,032.57x = 175,305.33 × 70,443.81
  4. Step 4: Simplify right side
    127,032.57x = 12,349,175,358.51
  5. Step 5: Solve for x
    x = 12,349,175,358.51/127,032.57
  6. Step 6: Final answer
    x = 97,212.67

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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.