Home / 156,953.60-235,430.40-144,051.20

Finding the Fourth Proportional to 156,953.60, 235,430.40 and 144,051.20

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Solution

The fourth proportional to 156,953.60, 235,430.40 and 144,051.20 is: 216,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,953.60 : 235,430.40 = 144,051.20 : x
  2. Step 2: Convert to fraction form
    156,953.60/235,430.40 = 144,051.20/x
  3. Step 3: Cross multiply
    156,953.60x = 235,430.40 × 144,051.20
  4. Step 4: Simplify right side
    156,953.60x = 33,914,031,636.48
  5. Step 5: Solve for x
    x = 33,914,031,636.48/156,953.60
  6. Step 6: Final answer
    x = 216,076.80

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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.