Home / 312,206.04-430,844.28-168,966.06

Finding the Fourth Proportional to 312,206.04, 430,844.28 and 168,966.06

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Solution

The fourth proportional to 312,206.04, 430,844.28 and 168,966.06 is: 233,173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,206.04 : 430,844.28 = 168,966.06 : x
  2. Step 2: Convert to fraction form
    312,206.04/430,844.28 = 168,966.06/x
  3. Step 3: Cross multiply
    312,206.04x = 430,844.28 × 168,966.06
  4. Step 4: Simplify right side
    312,206.04x = 72,798,060,465.14
  5. Step 5: Solve for x
    x = 72,798,060,465.14/312,206.04
  6. Step 6: Final answer
    x = 233,173.13

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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.