Home / 156,136.13-234,210.67-45,328.13

Finding the Fourth Proportional to 156,136.13, 234,210.67 and 45,328.13

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Solution

The fourth proportional to 156,136.13, 234,210.67 and 45,328.13 is: 67,994.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,136.13 : 234,210.67 = 45,328.13 : x
  2. Step 2: Convert to fraction form
    156,136.13/234,210.67 = 45,328.13/x
  3. Step 3: Cross multiply
    156,136.13x = 234,210.67 × 45,328.13
  4. Step 4: Simplify right side
    156,136.13x = 10,616,331,697.15
  5. Step 5: Solve for x
    x = 10,616,331,697.15/156,136.13
  6. Step 6: Final answer
    x = 67,994.07

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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.