Home / 430,496.02-645,717.89-160,572.13

Finding the Fourth Proportional to 430,496.02, 645,717.89 and 160,572.13

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Solution

The fourth proportional to 430,496.02, 645,717.89 and 160,572.13 is: 240,848.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,496.02 : 645,717.89 = 160,572.13 : x
  2. Step 2: Convert to fraction form
    430,496.02/645,717.89 = 160,572.13/x
  3. Step 3: Cross multiply
    430,496.02x = 645,717.89 × 160,572.13
  4. Step 4: Simplify right side
    430,496.02x = 103,684,294,960.68
  5. Step 5: Solve for x
    x = 103,684,294,960.68/430,496.02
  6. Step 6: Final answer
    x = 240,848.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.