Home / 107,603.04-148,298.88-87,526.08

Finding the Fourth Proportional to 107,603.04, 148,298.88 and 87,526.08

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Solution

The fourth proportional to 107,603.04, 148,298.88 and 87,526.08 is: 120,628.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,603.04 : 148,298.88 = 87,526.08 : x
  2. Step 2: Convert to fraction form
    107,603.04/148,298.88 = 87,526.08/x
  3. Step 3: Cross multiply
    107,603.04x = 148,298.88 × 87,526.08
  4. Step 4: Simplify right side
    107,603.04x = 12,980,019,634.79
  5. Step 5: Solve for x
    x = 12,980,019,634.79/107,603.04
  6. Step 6: Final answer
    x = 120,628.74

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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.