Home / 156,985.05-235,477.58-51,798.45

Finding the Fourth Proportional to 156,985.05, 235,477.58 and 51,798.45

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Solution

The fourth proportional to 156,985.05, 235,477.58 and 51,798.45 is: 77,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,985.05 : 235,477.58 = 51,798.45 : x
  2. Step 2: Convert to fraction form
    156,985.05/235,477.58 = 51,798.45/x
  3. Step 3: Cross multiply
    156,985.05x = 235,477.58 × 51,798.45
  4. Step 4: Simplify right side
    156,985.05x = 12,197,373,394.76
  5. Step 5: Solve for x
    x = 12,197,373,394.76/156,985.05
  6. Step 6: Final answer
    x = 77,697.68

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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.