Home / 314,837.91-434,133.29-212,686.10

Finding the Fourth Proportional to 314,837.91, 434,133.29 and 212,686.10

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Solution

The fourth proportional to 314,837.91, 434,133.29 and 212,686.10 is: 293,275.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,837.91 : 434,133.29 = 212,686.10 : x
  2. Step 2: Convert to fraction form
    314,837.91/434,133.29 = 212,686.10/x
  3. Step 3: Cross multiply
    314,837.91x = 434,133.29 × 212,686.10
  4. Step 4: Simplify right side
    314,837.91x = 92,334,113,096.17
  5. Step 5: Solve for x
    x = 92,334,113,096.17/314,837.91
  6. Step 6: Final answer
    x = 293,275.08

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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.