Home / 212,643.76-293,044.62-152,109.27

Finding the Fourth Proportional to 212,643.76, 293,044.62 and 152,109.27

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Solution

The fourth proportional to 212,643.76, 293,044.62 and 152,109.27 is: 209,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,643.76 : 293,044.62 = 152,109.27 : x
  2. Step 2: Convert to fraction form
    212,643.76/293,044.62 = 152,109.27/x
  3. Step 3: Cross multiply
    212,643.76x = 293,044.62 × 152,109.27
  4. Step 4: Simplify right side
    212,643.76x = 44,574,803,225.63
  5. Step 5: Solve for x
    x = 44,574,803,225.63/212,643.76
  6. Step 6: Final answer
    x = 209,621.97

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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.