Home / 130,707.84-180,395.52-73,353.28

Finding the Fourth Proportional to 130,707.84, 180,395.52 and 73,353.28

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Solution

The fourth proportional to 130,707.84, 180,395.52 and 73,353.28 is: 101,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,707.84 : 180,395.52 = 73,353.28 : x
  2. Step 2: Convert to fraction form
    130,707.84/180,395.52 = 73,353.28/x
  3. Step 3: Cross multiply
    130,707.84x = 180,395.52 × 73,353.28
  4. Step 4: Simplify right side
    130,707.84x = 13,232,603,089.31
  5. Step 5: Solve for x
    x = 13,232,603,089.31/130,707.84
  6. Step 6: Final answer
    x = 101,238.02

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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.