Home / 311,835.06-430,332.27-168,595.07

Finding the Fourth Proportional to 311,835.06, 430,332.27 and 168,595.07

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Solution

The fourth proportional to 311,835.06, 430,332.27 and 168,595.07 is: 232,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,835.06 : 430,332.27 = 168,595.07 : x
  2. Step 2: Convert to fraction form
    311,835.06/430,332.27 = 168,595.07/x
  3. Step 3: Cross multiply
    311,835.06x = 430,332.27 × 168,595.07
  4. Step 4: Simplify right side
    311,835.06x = 72,551,897,032.25
  5. Step 5: Solve for x
    x = 72,551,897,032.25/311,835.06
  6. Step 6: Final answer
    x = 232,661.13

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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.