Home / 162,688.53-243,975.65-48,802.40

Finding the Fourth Proportional to 162,688.53, 243,975.65 and 48,802.40

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Solution

The fourth proportional to 162,688.53, 243,975.65 and 48,802.40 is: 73,186.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,688.53 : 243,975.65 = 48,802.40 : x
  2. Step 2: Convert to fraction form
    162,688.53/243,975.65 = 48,802.40/x
  3. Step 3: Cross multiply
    162,688.53x = 243,975.65 × 48,802.40
  4. Step 4: Simplify right side
    162,688.53x = 11,906,595,797.67
  5. Step 5: Solve for x
    x = 11,906,595,797.67/162,688.53
  6. Step 6: Final answer
    x = 73,186.45

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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.