Home / 236,312.84-326,111.70-128,882.87

Finding the Fourth Proportional to 236,312.84, 326,111.70 and 128,882.87

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Solution

The fourth proportional to 236,312.84, 326,111.70 and 128,882.87 is: 177,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,312.84 : 326,111.70 = 128,882.87 : x
  2. Step 2: Convert to fraction form
    236,312.84/326,111.70 = 128,882.87/x
  3. Step 3: Cross multiply
    236,312.84x = 326,111.70 × 128,882.87
  4. Step 4: Simplify right side
    236,312.84x = 42,030,210,206.02
  5. Step 5: Solve for x
    x = 42,030,210,206.02/236,312.84
  6. Step 6: Final answer
    x = 177,858.35

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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.