Home / 103,926.90-143,386.44-63,598.62

Finding the Fourth Proportional to 103,926.90, 143,386.44 and 63,598.62

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Solution

The fourth proportional to 103,926.90, 143,386.44 and 63,598.62 is: 87,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,926.90 : 143,386.44 = 63,598.62 : x
  2. Step 2: Convert to fraction form
    103,926.90/143,386.44 = 63,598.62/x
  3. Step 3: Cross multiply
    103,926.90x = 143,386.44 × 63,598.62
  4. Step 4: Simplify right side
    103,926.90x = 9,119,179,710.71
  5. Step 5: Solve for x
    x = 9,119,179,710.71/103,926.90
  6. Step 6: Final answer
    x = 87,746.10

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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.