Home / 132,980.04-183,529.52-76,402.36

Finding the Fourth Proportional to 132,980.04, 183,529.52 and 76,402.36

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Solution

The fourth proportional to 132,980.04, 183,529.52 and 76,402.36 is: 105,445.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,980.04 : 183,529.52 = 76,402.36 : x
  2. Step 2: Convert to fraction form
    132,980.04/183,529.52 = 76,402.36/x
  3. Step 3: Cross multiply
    132,980.04x = 183,529.52 × 76,402.36
  4. Step 4: Simplify right side
    132,980.04x = 14,022,088,457.67
  5. Step 5: Solve for x
    x = 14,022,088,457.67/132,980.04
  6. Step 6: Final answer
    x = 105,445.06

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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.