Home / 156,129.86-234,168.15-56,270.18

Finding the Fourth Proportional to 156,129.86, 234,168.15 and 56,270.18

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Solution

The fourth proportional to 156,129.86, 234,168.15 and 56,270.18 is: 84,395.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,129.86 : 234,168.15 = 56,270.18 : x
  2. Step 2: Convert to fraction form
    156,129.86/234,168.15 = 56,270.18/x
  3. Step 3: Cross multiply
    156,129.86x = 234,168.15 × 56,270.18
  4. Step 4: Simplify right side
    156,129.86x = 13,176,683,950.77
  5. Step 5: Solve for x
    x = 13,176,683,950.77/156,129.86
  6. Step 6: Final answer
    x = 84,395.67

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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.