Home / 109,154.01-150,632.28-61,407.35

Finding the Fourth Proportional to 109,154.01, 150,632.28 and 61,407.35

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Solution

The fourth proportional to 109,154.01, 150,632.28 and 61,407.35 is: 84,741.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,154.01 : 150,632.28 = 61,407.35 : x
  2. Step 2: Convert to fraction form
    109,154.01/150,632.28 = 61,407.35/x
  3. Step 3: Cross multiply
    109,154.01x = 150,632.28 × 61,407.35
  4. Step 4: Simplify right side
    109,154.01x = 9,249,928,386.10
  5. Step 5: Solve for x
    x = 9,249,928,386.10/109,154.01
  6. Step 6: Final answer
    x = 84,741.99

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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.