Home / 156,430.02-234,688.76-51,322.80

Finding the Fourth Proportional to 156,430.02, 234,688.76 and 51,322.80

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Solution

The fourth proportional to 156,430.02, 234,688.76 and 51,322.80 is: 76,998.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,430.02 : 234,688.76 = 51,322.80 : x
  2. Step 2: Convert to fraction form
    156,430.02/234,688.76 = 51,322.80/x
  3. Step 3: Cross multiply
    156,430.02x = 234,688.76 × 51,322.80
  4. Step 4: Simplify right side
    156,430.02x = 12,044,884,291.73
  5. Step 5: Solve for x
    x = 12,044,884,291.73/156,430.02
  6. Step 6: Final answer
    x = 76,998.55

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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.