Home / 132,260.64-182,421.06-86,330.40

Finding the Fourth Proportional to 132,260.64, 182,421.06 and 86,330.40

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Solution

The fourth proportional to 132,260.64, 182,421.06 and 86,330.40 is: 119,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,260.64 : 182,421.06 = 86,330.40 : x
  2. Step 2: Convert to fraction form
    132,260.64/182,421.06 = 86,330.40/x
  3. Step 3: Cross multiply
    132,260.64x = 182,421.06 × 86,330.40
  4. Step 4: Simplify right side
    132,260.64x = 15,748,483,078.22
  5. Step 5: Solve for x
    x = 15,748,483,078.22/132,260.64
  6. Step 6: Final answer
    x = 119,071.58

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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.