Home / 282,614.96-390,386.04-198,012.08

Finding the Fourth Proportional to 282,614.96, 390,386.04 and 198,012.08

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Solution

The fourth proportional to 282,614.96, 390,386.04 and 198,012.08 is: 273,521.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,614.96 : 390,386.04 = 198,012.08 : x
  2. Step 2: Convert to fraction form
    282,614.96/390,386.04 = 198,012.08/x
  3. Step 3: Cross multiply
    282,614.96x = 390,386.04 × 198,012.08
  4. Step 4: Simplify right side
    282,614.96x = 77,301,151,783.36
  5. Step 5: Solve for x
    x = 77,301,151,783.36/282,614.96
  6. Step 6: Final answer
    x = 273,521.09

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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.