Home / 132,465.51-182,803.28-72,036.81

Finding the Fourth Proportional to 132,465.51, 182,803.28 and 72,036.81

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Solution

The fourth proportional to 132,465.51, 182,803.28 and 72,036.81 is: 99,411.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,465.51 : 182,803.28 = 72,036.81 : x
  2. Step 2: Convert to fraction form
    132,465.51/182,803.28 = 72,036.81/x
  3. Step 3: Cross multiply
    132,465.51x = 182,803.28 × 72,036.81
  4. Step 4: Simplify right side
    132,465.51x = 13,168,564,788.55
  5. Step 5: Solve for x
    x = 13,168,564,788.55/132,465.51
  6. Step 6: Final answer
    x = 99,411.27

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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.