Home / 134,925.84-186,220.08-128,946.96

Finding the Fourth Proportional to 134,925.84, 186,220.08 and 128,946.96

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Solution

The fourth proportional to 134,925.84, 186,220.08 and 128,946.96 is: 177,968.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,925.84 : 186,220.08 = 128,946.96 : x
  2. Step 2: Convert to fraction form
    134,925.84/186,220.08 = 128,946.96/x
  3. Step 3: Cross multiply
    134,925.84x = 186,220.08 × 128,946.96
  4. Step 4: Simplify right side
    134,925.84x = 24,012,513,206.96
  5. Step 5: Solve for x
    x = 24,012,513,206.96/134,925.84
  6. Step 6: Final answer
    x = 177,968.23

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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.