Home / 132,908.34-183,417.93-72,482.28

Finding the Fourth Proportional to 132,908.34, 183,417.93 and 72,482.28

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Solution

The fourth proportional to 132,908.34, 183,417.93 and 72,482.28 is: 100,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,908.34 : 183,417.93 = 72,482.28 : x
  2. Step 2: Convert to fraction form
    132,908.34/183,417.93 = 72,482.28/x
  3. Step 3: Cross multiply
    132,908.34x = 183,417.93 × 72,482.28
  4. Step 4: Simplify right side
    132,908.34x = 13,294,549,759.28
  5. Step 5: Solve for x
    x = 13,294,549,759.28/132,908.34
  6. Step 6: Final answer
    x = 100,027.96

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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.