Home / 133,106.68-183,685.81-72,677.13

Finding the Fourth Proportional to 133,106.68, 183,685.81 and 72,677.13

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Solution

The fourth proportional to 133,106.68, 183,685.81 and 72,677.13 is: 100,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,106.68 : 183,685.81 = 72,677.13 : x
  2. Step 2: Convert to fraction form
    133,106.68/183,685.81 = 72,677.13/x
  3. Step 3: Cross multiply
    133,106.68x = 183,685.81 × 72,677.13
  4. Step 4: Simplify right side
    133,106.68x = 13,349,757,492.53
  5. Step 5: Solve for x
    x = 13,349,757,492.53/133,106.68
  6. Step 6: Final answer
    x = 100,293.67

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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.