Home / 130,009.95-194,681.99-89,973.50

Finding the Fourth Proportional to 130,009.95, 194,681.99 and 89,973.50

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Solution

The fourth proportional to 130,009.95, 194,681.99 and 89,973.50 is: 134,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,009.95 : 194,681.99 = 89,973.50 : x
  2. Step 2: Convert to fraction form
    130,009.95/194,681.99 = 89,973.50/x
  3. Step 3: Cross multiply
    130,009.95x = 194,681.99 × 89,973.50
  4. Step 4: Simplify right side
    130,009.95x = 17,516,218,603.99
  5. Step 5: Solve for x
    x = 17,516,218,603.99/130,009.95
  6. Step 6: Final answer
    x = 134,729.83

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1.5x scale

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.