Home / 277,017.81-382,429.12-196,637.36

Finding the Fourth Proportional to 277,017.81, 382,429.12 and 196,637.36

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Solution

The fourth proportional to 277,017.81, 382,429.12 and 196,637.36 is: 271,462.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,017.81 : 382,429.12 = 196,637.36 : x
  2. Step 2: Convert to fraction form
    277,017.81/382,429.12 = 196,637.36/x
  3. Step 3: Cross multiply
    277,017.81x = 382,429.12 × 196,637.36
  4. Step 4: Simplify right side
    277,017.81x = 75,199,852,543.92
  5. Step 5: Solve for x
    x = 75,199,852,543.92/277,017.81
  6. Step 6: Final answer
    x = 271,462.16

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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.