Home / 353,526.93-530,291.51-87,287.49

Finding the Fourth Proportional to 353,526.93, 530,291.51 and 87,287.49

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Solution

The fourth proportional to 353,526.93, 530,291.51 and 87,287.49 is: 130,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,526.93 : 530,291.51 = 87,287.49 : x
  2. Step 2: Convert to fraction form
    353,526.93/530,291.51 = 87,287.49/x
  3. Step 3: Cross multiply
    353,526.93x = 530,291.51 × 87,287.49
  4. Step 4: Simplify right side
    353,526.93x = 46,287,814,439.77
  5. Step 5: Solve for x
    x = 46,287,814,439.77/353,526.93
  6. Step 6: Final answer
    x = 130,931.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.