Home / 545,142.08-817,416.32-190,060.64

Finding the Fourth Proportional to 545,142.08, 817,416.32 and 190,060.64

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Solution

The fourth proportional to 545,142.08, 817,416.32 and 190,060.64 is: 284,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,142.08 : 817,416.32 = 190,060.64 : x
  2. Step 2: Convert to fraction form
    545,142.08/817,416.32 = 190,060.64/x
  3. Step 3: Cross multiply
    545,142.08x = 817,416.32 × 190,060.64
  4. Step 4: Simplify right side
    545,142.08x = 155,358,668,925.65
  5. Step 5: Solve for x
    x = 155,358,668,925.65/545,142.08
  6. Step 6: Final answer
    x = 284,987.48

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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.