Home / 112,276.10-154,938.75-64,528.22

Finding the Fourth Proportional to 112,276.10, 154,938.75 and 64,528.22

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Solution

The fourth proportional to 112,276.10, 154,938.75 and 64,528.22 is: 89,047.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,276.10 : 154,938.75 = 64,528.22 : x
  2. Step 2: Convert to fraction form
    112,276.10/154,938.75 = 64,528.22/x
  3. Step 3: Cross multiply
    112,276.10x = 154,938.75 × 64,528.22
  4. Step 4: Simplify right side
    112,276.10x = 9,997,921,746.53
  5. Step 5: Solve for x
    x = 9,997,921,746.53/112,276.10
  6. Step 6: Final answer
    x = 89,047.64

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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.