Home / 180,700.35-249,362.75-100,127.16

Finding the Fourth Proportional to 180,700.35, 249,362.75 and 100,127.16

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Solution

The fourth proportional to 180,700.35, 249,362.75 and 100,127.16 is: 138,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,700.35 : 249,362.75 = 100,127.16 : x
  2. Step 2: Convert to fraction form
    180,700.35/249,362.75 = 100,127.16/x
  3. Step 3: Cross multiply
    180,700.35x = 249,362.75 × 100,127.16
  4. Step 4: Simplify right side
    180,700.35x = 24,967,983,466.65
  5. Step 5: Solve for x
    x = 24,967,983,466.65/180,700.35
  6. Step 6: Final answer
    x = 138,173.41

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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.