Home / 130,476.16-180,061.34-73,886.32

Finding the Fourth Proportional to 130,476.16, 180,061.34 and 73,886.32

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Solution

The fourth proportional to 130,476.16, 180,061.34 and 73,886.32 is: 101,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,476.16 : 180,061.34 = 73,886.32 : x
  2. Step 2: Convert to fraction form
    130,476.16/180,061.34 = 73,886.32/x
  3. Step 3: Cross multiply
    130,476.16x = 180,061.34 × 73,886.32
  4. Step 4: Simplify right side
    130,476.16x = 13,304,069,786.87
  5. Step 5: Solve for x
    x = 13,304,069,786.87/130,476.16
  6. Step 6: Final answer
    x = 101,965.52

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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.