Home / 178,712.96-246,636.48-118,178.40

Finding the Fourth Proportional to 178,712.96, 246,636.48 and 118,178.40

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Solution

The fourth proportional to 178,712.96, 246,636.48 and 118,178.40 is: 163,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,712.96 : 246,636.48 = 118,178.40 : x
  2. Step 2: Convert to fraction form
    178,712.96/246,636.48 = 118,178.40/x
  3. Step 3: Cross multiply
    178,712.96x = 246,636.48 × 118,178.40
  4. Step 4: Simplify right side
    178,712.96x = 29,147,104,588.03
  5. Step 5: Solve for x
    x = 29,147,104,588.03/178,712.96
  6. Step 6: Final answer
    x = 163,094.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.