Home / 161,506.13-242,207.52-53,415.40

Finding the Fourth Proportional to 161,506.13, 242,207.52 and 53,415.40

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Solution

The fourth proportional to 161,506.13, 242,207.52 and 53,415.40 is: 80,106.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,506.13 : 242,207.52 = 53,415.40 : x
  2. Step 2: Convert to fraction form
    161,506.13/242,207.52 = 53,415.40/x
  3. Step 3: Cross multiply
    161,506.13x = 242,207.52 × 53,415.40
  4. Step 4: Simplify right side
    161,506.13x = 12,937,611,212.12
  5. Step 5: Solve for x
    x = 12,937,611,212.12/161,506.13
  6. Step 6: Final answer
    x = 80,106.01

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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.