Home / 175,558.16-242,252.70-99,070.40

Finding the Fourth Proportional to 175,558.16, 242,252.70 and 99,070.40

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Solution

The fourth proportional to 175,558.16, 242,252.70 and 99,070.40 is: 136,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,558.16 : 242,252.70 = 99,070.40 : x
  2. Step 2: Convert to fraction form
    175,558.16/242,252.70 = 99,070.40/x
  3. Step 3: Cross multiply
    175,558.16x = 242,252.70 × 99,070.40
  4. Step 4: Simplify right side
    175,558.16x = 24,000,071,890.08
  5. Step 5: Solve for x
    x = 24,000,071,890.08/175,558.16
  6. Step 6: Final answer
    x = 136,707.24

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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.