Home / 104,095.60-143,530.32-98,490.40

Finding the Fourth Proportional to 104,095.60, 143,530.32 and 98,490.40

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Solution

The fourth proportional to 104,095.60, 143,530.32 and 98,490.40 is: 135,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,095.60 : 143,530.32 = 98,490.40 : x
  2. Step 2: Convert to fraction form
    104,095.60/143,530.32 = 98,490.40/x
  3. Step 3: Cross multiply
    104,095.60x = 143,530.32 × 98,490.40
  4. Step 4: Simplify right side
    104,095.60x = 14,136,358,628.93
  5. Step 5: Solve for x
    x = 14,136,358,628.93/104,095.60
  6. Step 6: Final answer
    x = 135,801.69

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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.