Home / 130,754.69-180,426.57-73,386.24

Finding the Fourth Proportional to 130,754.69, 180,426.57 and 73,386.24

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Solution

The fourth proportional to 130,754.69, 180,426.57 and 73,386.24 is: 101,264.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,754.69 : 180,426.57 = 73,386.24 : x
  2. Step 2: Convert to fraction form
    130,754.69/180,426.57 = 73,386.24/x
  3. Step 3: Cross multiply
    130,754.69x = 180,426.57 × 73,386.24
  4. Step 4: Simplify right side
    130,754.69x = 13,240,827,568.40
  5. Step 5: Solve for x
    x = 13,240,827,568.40/130,754.69
  6. Step 6: Final answer
    x = 101,264.65

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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.