Home / 142,210.56-213,328.08-37,029.72

Finding the Fourth Proportional to 142,210.56, 213,328.08 and 37,029.72

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Solution

The fourth proportional to 142,210.56, 213,328.08 and 37,029.72 is: 55,547.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,210.56 : 213,328.08 = 37,029.72 : x
  2. Step 2: Convert to fraction form
    142,210.56/213,328.08 = 37,029.72/x
  3. Step 3: Cross multiply
    142,210.56x = 213,328.08 × 37,029.72
  4. Step 4: Simplify right side
    142,210.56x = 7,899,479,070.54
  5. Step 5: Solve for x
    x = 7,899,479,070.54/142,210.56
  6. Step 6: Final answer
    x = 55,547.77

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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.